Noble Energy, Inc. (NYSE:NBL) is believed by FBR Capital to have the ability increase its production growth rates at its December 6 analyst day, and the firm stated that it would own the stock into the event. FBR estimates Noble Energy’s average production growth at 23 percent through 2016, and believes that the appropriate first step by the company would be to increase guidance to an average of 18 percent from the current 15 percent. FBR keeps Noble Energy as its top pick, and the firm gives the stock an Outperform rating with a $120 price target.

Lululemon Athletica Inc. (NASDAQ:LULU) target was raised by RBC Capital after the company reported stronger Q2 results than expected and 15 percent comparative sales growth. The firm still believes that the company is “one of the best growth stories out there,” and it keeps an Outperform rating on the stock. UBS thinks that lululemen’s gross margin outlook appears to show improvement and that the company is among one of the group’s best growth stories. Shares have a Buy rating.

Harley-Davidson, Inc. (NYSE:HOG): After conducting checks, RBC Capital states that Harley-Davidson’s U.S. retail sales for August and the current quarter fell in about the mid-single-digit range. However, the firm thinks that recent trends do not reflect any underlying demand, and it believes that that the company’s FY13 estimates are “generally fair.” The firm keeps an Outperform rating and a $52 target on the stock.

Zillow Inc (NASDAQ:Z): According to Canaccord, Zillow’s dilutive equity offering is to be offset by raised capital flexibility, lack of selling by founders, and raised shareholder mix. Shares have a Buy rating.